SOLUTION: Find the indicated probability If P(A)=0.3, P(B)=0.04, and P(A and B)=0.3, find P(A or B).

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Question 116153: Find the indicated probability
If P(A)=0.3, P(B)=0.04, and P(A and B)=0.3, find P(A or B).
Answer by stanbon(75887) About Me  (Show Source):
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Find the indicated probability
If P(A)=0.3, P(B)=0.04, and P(A and B)=0.3, find P(A or B).
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P(A or B) = P(A)+P(B)-P(A and B)
P(A or B) = 0.3 + 0.04 - 0.3
P(A or B) = 0.04
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Cheers,
Stan H.